The way I do it is to read the text several times and then break it down to move by move and write it down. It makes it easier for me to learn this way. Many writers add a lot of extra verbage between the actual moves and this is distracting to me so if Im sure its something I want to learn I break it down myself.
For an example of this you can email the autoresponder I set up to distrubute the moves breakdown for Jerry Andrus' Double Dimension
from a recent Genii story on Jerry. To see what I'm talking about send an email to email@example.com
No, I don't do this for everything, only stuff I'm sure I want to spend time on. I spent the time to perfect Double Dimension
and the notes made the difference. It's a sweet piece of magic.
An article in Genii
by Robert Giobbi inspired me to break effects down in this fashion, however this is my own take on it.